Scattering from plane layered media

The problem of scattering from plane layered media, arbitrarily terminated, is studied. Use is made of the Marcuvitz-Schwinger formulation and of a Riccati differential equation (RDE). A method for obtaining approximate solutions of the RDE in some limiting cases is developed. The solutions are compared to those obtainable through different approaches, as well as, in some particular cases, to exact results. Possibilities of application to the design of broad-band matching junctions or terminations are illustrated.